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ENGINE 46 OVERHAUL Piston ring gaps - checking 1. Check new ring to groove clearance: Top compression ring = 0.115 to 0.135 mm. 2. Check new ring fitted gap 30 mm from top of cylinder bore, ensure rings are kept square to Pistons - remove 1. Suitably identify each piston to its connecting rod, note position of cast boss on connecting 2. Remove and discard circlips securing gudgeon pin. 3. Push gudgeon pin out of piston and connecting rod. CAUTION: Keep gudgeon pins with their |